He will be wearing his monitoring device for two more years, he said. The man was arrested in Texas. Limitations Clever as they are, GPS tracking solutions are not a panacea for policing sex offenders. When that happens, the officer can look up the address, find the resident and either call them or pay a visit to tell them about crimes committed by their new friend. The DOC uses the devices to monitor movements of mostly level 3 offenders and homeless offenders considered likely to reoffend. For that, he was sentenced to 10 years in prison and paroled after six; a year later he confessed to "grooming" two little girls for sex, his parole was revoked, and he was committed for five years. Some level 2 offenders who need special attention also are fitted with the device. Even when not watched in real time, the GPS ankle bracelet transmits signals when an offender ventures into a place he or she is supposed to avoid, such as schools or parks where children congregate. Many offenders who wear the devices say that, once they get used to wearing the anklets, they welcome them. A similar, but smaller, device frequently is used by municipal courts to impose a form of house arrest on people arrested for lesser charges, typically for driving while under the influence of an intoxicating substance. Jonathan Freddie, 24, was convicted of having sex with a year-old girl when he was 20 and of communicating with a minor for immoral purposes. He was convicted in of sexually assaulting a boy from the time the boy was 8 until he was 13; Belleau served a year in prison, but while he was on probation he was convicted of sexually assaulting a 9-year-old girl. The monitor helps me tell people the truth about my past, and it gives them a chance to run away screaming when I explain why I wear it. In February, a year-old girl was killed in a field near Vancouver, Wash. Before GPS, it was more difficult to know if an offender had been somewhere he is not allowed to be. In , he was released, but only under the condition that he wear a GPS monitoring anklet every hour of every day for the rest of his life, the Chicago Daily Law Bulletin reports.